Smoking causes 90% of lung cancers, as well as cancers of the mouth, lips, throat, bladder and stomach, to name but a few.
Even people who smoke less than 5 cigarettes a day can have early signs of cardiovascular disease.
As well as respiratory disease, smoking can lead to sudden infant death syndrome, reduced fertility and erectile dysfunction.
Non-urgent advice: Further information
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Page last reviewed: 13 October, 2021